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revision 1.144 by tjl, Mon May 19 21:35:20 2003 UTC revision 1.145 by benja, Mon May 19 21:39:26 2003 UTC
# Line 56  Introduction Line 56  Introduction
56    
57  One-time signatures were originally proposed independently  One-time signatures were originally proposed independently
58  by [rabin78digitalized]_ and [lamport79constructing]_. Since then, numerous variations  by [rabin78digitalized]_ and [lamport79constructing]_. Since then, numerous variations
59  and improvements have been published [XXX].  and improvements have been published
60    [merkle80protocols-andalso-merkle87digital-andalso-bleichenbacheroptimal-andalso-perrig01biba-andalso-reyzin02better]_.
61  Despite their limitations, one-way signatures have  Despite their limitations, one-way signatures have
62  attracted considerable interest because  attracted considerable interest because
63  their operation  their operation
# Line 68  difficulty of factoring large integers [ Line 69  difficulty of factoring large integers [
69    
70  This is important for, e.g., long-term digital publishing  This is important for, e.g., long-term digital publishing
71  where the usual recommended digital signature expiration  where the usual recommended digital signature expiration
72  time of two years[XXX] is inconvenient.  time of two years[XXX] is inconvenient [anderson98eternal]_.
73    
74    
75  In this article, we introduce a new signature scheme,  In this article, we introduce a new signature scheme,
# Line 88  is selected, and finally conclude. Line 89  is selected, and finally conclude.
89  One-time Signatures  One-time Signatures
90  ===================  ===================
91    
92  One-time signature schemes [XXX] are based  One-time signature schemes are based
93  on one-way functions, i.e., functions `$y=f(x)$` such  on one-way functions, i.e., functions `$y=f(x)$` such
94  as block ciphers or cryptographic hashes so that  as block ciphers or cryptographic hashes so that
95  that given `$y$` it is infeasible to find `$x$`.  that given `$y$` it is infeasible to find `$x$`.

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